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Hemodynamic response patterns: Responder type differences in reactivity and recovery

Published online by Cambridge University Press:  06 January 2003

KEITH A. KLINE
Affiliation:
Department of Psychology, University of Miami, Coral Gables, Florida, USA
PATRICE G. SAAB
Affiliation:
Department of Psychology, University of Miami, Coral Gables, Florida, USA
MARIA M. LLABRE
Affiliation:
Department of Psychology, University of Miami, Coral Gables, Florida, USA
SUSAN B. SPITZER
Affiliation:
Department of Psychology, University of Miami, Coral Gables, Florida, USA
JOVIER D. EVANS
Affiliation:
Department of Psychology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana, USA
PAIGE A. GREEN McDONALD
Affiliation:
Center for Cancer Research, Howard University, Washington, DC, USA
NEIL SCHNEIDERMAN
Affiliation:
Department of Psychology, University of Miami, Coral Gables, Florida, USA
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Abstract

We examined whether responder type groups reflecting patterns of hemodynamic reactivity might also differ in recovery responses. Cardiac output (CO), total peripheral resistance (TPR), systolic and diastolic blood pressure, heart rate, and Heather index were assessed at rest and during speech and cold pressor tasks in young adults. Participants (n = 152) were classified as myocardial, vascular, or mixed-mild responders based on CO and TPR responses to speech presentation. Vascular responders exhibited slower CO and TPR speech recovery than the myocardial and/or mixed-mild groups. Responder type differences in reactivity showed limited task-generalizability. The sustained vascular response pattern of the vascular group is consistent with that seen in hypertension. In light of associations of heightened TPR with markers of disease risk, this suggests potentially negative health implications for vascular responders.

Type
Research Article
Copyright
2002 Society for Psychophysiological Research

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